Search a number
-
+
5281873920 = 216345199
BaseRepresentation
bin1001110101101001…
…10000000000000000
3111122002202222220000
410322310300000000
541304124431140
62232040520000
7244614121221
oct47264600000
914562688800
105281873920
112270531064
121034a80000
136623811ab
143816b7248
1520da84a30
hex13ad30000

5281873920 has 340 divisors, whose sum is σ = 19031509200. Its totient is φ = 1401421824.

The previous prime is 5281873903. The next prime is 5281873937. The reversal of 5281873920 is 293781825.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5281873903) and next prime (5281873937).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26541981 + ... + 26542179.

Almost surely, 25281873920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5281873920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9515754600).

5281873920 is an abundant number, since it is smaller than the sum of its proper divisors (13749635280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5281873920 is an frugal number, since it uses more digits than its factorization.

5281873920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 5281873920 is about 72676.5018420672. The cubic root of 5281873920 is about 1741.5235170102.

The spelling of 5281873920 in words is "five billion, two hundred eighty-one million, eight hundred seventy-three thousand, nine hundred twenty".